[Factor-talk] Debugging factor

2014-10-11 Thread Andrea Ferretti
Hi, I am relatively new to Factor, and I am trying understand how to debug programs in it. Whenever I make an error, a popup suggests to Traceback and open the debugger. Now, I am used to the debugger in, say, Smalltalk, where I can browse the current local variables, step into code, edit

Re: [Factor-talk] Debugging factor

2014-10-11 Thread John Benediktsson
Hi Andrea, The dialog that pops up says data stack underflow, which given that all operations essentially compute on the data stack means you had insufficient objects on the stack for the computation. I just realized we don't document what this means in a very discoverable way: